Spatio-temporal differentiation of landscape ecological niche in western ecological frangible region: A case study of Yan’an region in northwestern China
REN Zhiyuan, WANG Lixia
College of Tourism and Environmental Sciences, Shaanxi Normal University, Xi'an 710062, China
REN Zhiyuan, WANG Lixia. Spatio-temporal differentiation of landscape ecological niche in western ecological frangible region: A case study of Yan’an region in northwestern China[J].Journal of Geographical Sciences, 2007, 17(4): 479-486.